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Author SHA1 Message Date
Simon Forman 202747cfbb Print list. 2023-02-01 20:09:03 -08:00
Simon Forman cd0bfc09d2 Text to expr coming along. 2023-02-01 19:26:50 -08:00
Simon Forman 8ae9851c0f Need to be able to store a string. 2023-02-01 18:37:10 -08:00
Simon Forman 66cbbac1cc Minor cleanup. 2023-02-01 18:35:11 -08:00
Simon Forman 6b87e46e00 Minor cleanup. 
Don't pass NULL to strpbrk().
 2023-02-01 17:39:37 -08:00
Simon Forman 5118881e6c Handle stretches of blanks. 
Don't create zero-length strings.
 2023-02-01 17:25:54 -08:00
Simon Forman 9762502ea6 Nice skeleton of parser. 2023-02-01 17:17:35 -08:00
Simon Forman 6694d3d596 Almost there on parsing. 2023-02-01 16:57:46 -08:00
Simon Forman 2f71db945a trim_leading_blanks 2023-02-01 16:40:14 -08:00
Simon Forman b8b37af1a4 Let's parse. 2023-02-01 16:02:19 -08:00
Simon Forman e32d1d22e6 Don't version the binary. 2023-02-01 15:26:07 -08:00
Simon Forman e44dd3c9e6 I think I'm doing this right? 2023-02-01 15:25:21 -08:00
Simon Forman 5a32c649f9 minor style glitch 2023-02-01 14:56:11 -08:00
Simon Forman e211fff94f Minor cleanup. 2023-02-01 14:55:21 -08:00
Simon Forman d2048a3846 Some notebooks. 2023-02-01 14:54:07 -08:00
Simon Forman 28fa767593 Messing around with C. 2023-02-01 14:23:54 -08:00
Simon Forman 109cddae12 Readline support would be nice. 2022-10-17 17:51:12 -07:00
Simon Forman ec5036bf63 This and that. 2022-10-15 20:04:27 -07:00
Simon Forman 74f936efa0 Cleanup and refactoring. 
Bug when subtracting identical numbers.  It gives

    [false 0]

When it should be

    [false]

or better yet

    [true]

eh?
 2022-10-15 11:05:17 -07:00
Simon Forman 062b01da55 That seems to work: addition and subtraction. 2022-10-15 09:52:58 -07:00
Simon Forman c130026895 Mostly done with addition and subtraction. 2022-10-14 21:01:18 -07:00
Simon Forman 0b4b79f884 Not quite as smooth as I'd hoped. 2022-10-14 20:36:50 -07:00
Simon Forman 6ade65ef0c Subtraction seems to work now. 2022-10-14 17:52:31 -07:00
Simon Forman 9ba9d055ac Progress. 2022-10-13 23:10:41 -07:00
Simon Forman 8bedb77462 Adding like-sign bigints in Joy. 2022-10-11 11:37:38 -07:00
Simon Forman e7f4a021fe Misc stuff. 2022-10-10 22:28:50 -07:00
Simon Forman 5b852e7964 Minor cleanup. 2022-10-10 22:23:19 -07:00
Simon Forman b48419ec1a Add two lists of digits. 2022-10-10 20:32:57 -07:00
Simon Forman 756e1829d9 I think I got it. 
Whew!  Think slow and steady FTW.  Don't get ahead of yourself.  Put the
non-recursive parts in the non-recursive branch, duh.
 2022-10-10 20:26:59 -07:00
Simon Forman 2cf2b56751 Dang it... 2022-10-10 18:39:35 -07:00
Simon Forman 92ffefd6f0 Minor cleanup. 2022-10-06 18:11:24 -07:00
Simon Forman bad1a909c7 Just for me... 
(That's how you look all clever, but it's a dick move removing the
commentary like that.)
 2022-10-06 15:36:16 -07:00
Simon Forman e085218490 Bisect for the win! 2022-10-06 15:34:34 -07:00
Simon Forman 1007cceab5 find_greatest() 
I think it's ready to use...
 2022-10-06 15:31:24 -07:00
Simon Forman d8b346958a Finish lil_divmod. 2022-10-06 08:04:54 -07:00
Simon Forman c07a9e3ed9 One more lil bug squash. 
Subsidiary functions...

Fuzz FTW.
 2022-10-05 12:31:35 -07:00
Simon Forman 0e283f1052 Div Mod of same sign ints. 
That seems to be that.
 2022-10-05 12:21:46 -07:00
Simon Forman 634ff157bc Flush out and squash some bugs. 2022-10-05 12:19:39 -07:00
Simon Forman df42bbcb7d I think I figured something out... 2022-10-05 10:16:47 -07:00
Simon Forman 339852a435 Kinda sorta not really working, 
as in broken.

This is getting out of hand.
 2022-10-05 09:15:41 -07:00
Simon Forman 0ee3d00537 Almost got it... 2022-10-05 08:49:35 -07:00
Simon Forman 70ea2c3f53 Divmod, yeah? 2022-10-05 08:27:01 -07:00
Simon Forman e2f8d236cc Minor cleanup. 
I almost can't believe I did it.  I guess I thought it would be harder
or more involved.  Maybe divmod will be a pill?

Kinda relaxing after wasting the weekend nerd-sniped by curses.
 2022-10-04 22:21:58 -07:00
Simon Forman 233f7431d6 Copyright and executable bit 2022-10-04 22:19:14 -07:00
Simon Forman 918e77b678 Minor cleanup. 2022-10-04 22:18:22 -07:00
Simon Forman beafe3aff0 Minor cleanup; multiplication. 
I forgot to commit after cleanup but before implementing multiplication
so this commit is kind of a mess.

Anyway, it works.  :D
 2022-10-04 22:06:49 -07:00
Simon Forman 217adaa318 test_Subtraction_large_from_small 2022-10-04 16:41:09 -07:00
Simon Forman 4cea474166 I guess subtraction works!? 2022-10-04 16:28:43 -07:00
Simon Forman 70b8bbdc0e Adding two negative numbers. 2022-10-04 12:10:32 -07:00
Simon Forman 0333c3c522 That was easy! Add BigInts of the same sign. 2022-10-04 12:05:41 -07:00
Simon Forman 0817dcf4b1 Red... (Green, Refactor) 
TDD FTW!
 2022-10-04 11:37:55 -07:00
Simon Forman 21bd4bcfd3 Not using ctypes; test_twice_min 2022-10-04 11:31:40 -07:00
Simon Forman 151c580721 Minor cleanup. 2022-10-04 11:21:07 -07:00
Simon Forman 9ccc92d04c Fix import. 2022-10-04 11:20:55 -07:00
Simon Forman f0b6f4036a BitInt start; unittest. 2022-10-04 11:20:14 -07:00
Simon Forman 53bea5f59b That was easy... 
but it breaks associativity or is it commutivity?

Anyway you can't add THREE or more things in one expression (yet)
because adding OberonInt objects returns a two-tuple.

I could adjust the semantics of ObInt to accept such two-tuples and do
add_with_carry() but that's probably more trouble than it's worth.

Just gotta be careful with math expressions, eh?
 2022-10-04 08:53:32 -07:00
Simon Forman 690f157ac8 Switch to double-underscore method names. 
Worry about type conversions later.
 2022-10-04 08:49:40 -07:00
Simon Forman e2f107d1bb Subtraction. 2022-10-04 08:47:39 -07:00
Simon Forman 6ecf681d3a BigInts in terms of Oberon Ints 
Oberon RISC has Two's Complement 32-bit ints with carry.

So far so good.
 2022-10-04 08:32:04 -07:00
Simon Forman 56fdf1eb18 Minor cleanup. 2022-09-28 22:07:28 -07:00
Simon Forman abddda47da Minor cleanup. 
Functional Programming FTW!
 2022-09-28 21:56:53 -07:00
Simon Forman 61bcf3588a Apparently this is redundant. 
Discovered by running `nim doc joy.nim`, compiling doesn't flag it.
 2022-09-28 21:22:19 -07:00
Simon Forman ec46cb6a2b Clear out old docs; update defs.txt. 2022-09-28 18:28:25 -07:00
Simon Forman cdec813b24 I had to model it in Python 
before writing it in OCaml.
 2022-09-28 18:21:13 -07:00
Simon Forman 4200c6708e Improve compiling of step combinator. 2022-09-28 18:18:20 -07:00
Simon Forman 263ed2ee87 Initial outline for a talk on Joy. 2022-09-28 18:16:45 -07:00
Simon Forman 8159e102d3 coms, swap 2022-09-24 21:19:35 -07:00
Simon Forman d94153583c Comparison operations. 2022-09-24 21:00:45 -07:00
Simon Forman c591bf4138 branch, dip, i, loop 
The core combinators (except fork).
 2022-09-24 20:45:06 -07:00
Simon Forman 3ecd7ab595 Minor cleanup. 2022-09-24 19:39:10 -07:00
Simon Forman 5e786db63f Simple REPL. 
Still very crude, and exceptions are not caught, but it works.
 2022-09-24 19:33:29 -07:00
Simon Forman 10cdba844b Minor cleanup. 2022-09-24 14:54:07 -07:00
Simon Forman d99d9ee8aa concat 
Ocaml's match is very powerful, respect, but if I want more precise
error messages (that conform to the joytest suite) then the extra
utility functions must be implemented and employed.

After that it's definition loading and the main REPL loop and I think
that's it, eh?
 2022-09-24 14:29:03 -07:00
Simon Forman 07f47a3b7a autoformat 2022-09-24 14:16:44 -07:00
Simon Forman 0905cdc0da clear 2022-09-24 14:16:20 -07:00
Simon Forman 813502532b Autoformat. 2022-09-24 13:13:44 -07:00
Simon Forman 977928362c Evaluation is working. 
It's all downhill from here, like in skiing!
 2022-09-24 13:13:03 -07:00
Simon Forman 5db538cc5c Eval symbols... 2022-09-24 12:54:46 -07:00
Simon Forman c7966f7ac8 Working towards interpretation. 2022-09-24 12:44:20 -07:00
Simon Forman 754fd1d1dc Nice and clean. 
I wonder what Ocaml programmers would think of this code?
 2022-09-24 12:02:00 -07:00
Simon Forman 9e2d148fbf Parser. 
Mighty battle.
 2022-09-24 11:00:19 -07:00
Simon Forman 0d88895ead Order is preserved. 2022-09-24 09:01:16 -07:00
Simon Forman c96cd6e296 A couple of little comments. 2022-09-24 08:59:38 -07:00
Simon Forman 4ff78dd65c Parse tokens into joy_list. 
That seemed a lot harder than it should have been...
 2022-09-24 08:54:04 -07:00
Simon Forman 54d287bc32 A start of parsing tokens. 2022-09-23 19:35:15 -07:00
Simon Forman 97f715a10d Formatting. 2022-09-23 17:47:31 -07:00
Simon Forman f45d070856 I think I got the tokenizer right. 2022-09-23 17:31:16 -07:00
Simon Forman 4d7ed83238 So that's mutual recursion in Ocaml? 
I like it.  Just change "let" to "and" and you're good-to-go.
 2022-09-23 08:59:06 -07:00
Simon Forman d717b594c4 Ignoring _build. 2022-09-23 08:54:37 -07:00
Simon Forman d0477eb516 Ignore _build dirs. 2022-09-23 08:53:39 -07:00
Simon Forman 64d4a42978 autoformat 2022-09-23 08:38:17 -07:00
Simon Forman c76ae9979d Ocaml FTW! 2022-09-23 08:37:04 -07:00
Simon Forman 8cb04fc72d At this point... 
...I'm just relearning C semantics.  (And they are garbage, as is widely
known.)

I don't think there's much point to this (at the moment) because I don't
want to relearn C (at the moment) and Nim is available (at the moment.)

Really, I'm trying to do away with the entire relationship of C et. al.
to the underlying machine.  (For instance, Nim gives you a much nicer
relationship, without the vast distance that, say, Python imposes.)  I
should really look at other compiled languages, like Ocaml or Julia.
 2022-09-22 20:43:25 -07:00
Simon Forman ae864909ee Create an int and add ints. 2022-09-22 20:08:24 -07:00
Simon Forman 5caa685bab Try using GC_register_finalizer? 2022-09-22 19:34:57 -07:00
Simon Forman 5ceab61ca1 Maybe this is the right thing to do? 
https://stackoverflow.com/questions/59489221/using-the-gmp-library-with-boehms-garbage-collector
 2022-09-22 19:00:40 -07:00
Simon Forman 813c5c0a23 What would a little C Joy look like? 
Let's use GMP for ints and Boehm GC.
 2022-09-22 17:26:28 -07:00
Simon Forman 92338037e7 Wait for both results together. 
If one causes an error before the other is finished SIGKILL the other
job.  (I do not know if this will kill the sub-tasks if any.  The Python
docs say that with terminate() "descendant processes of the process will
not be terminated – they will simply become orphaned." but it doesn't
say whether that's true with kill().
 2022-09-22 13:20:30 -07:00
Simon Forman 0904bad81b Capture and fwd exceptions in subforks. 
(Should there be only one subtask?  Do the other quote in the main
proc?)
 2022-09-22 11:41:16 -07:00
Simon Forman 50293908d9 Let's play with more cores. 2022-09-22 09:13:11 -07:00